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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:48  
clear_day Transit: 12:11  
SunsetSet: 17:34
sleep NighttimeWhat's Visible Now?
All Constellations » Cygnus » 


Altitude: 7.6°   Azimuth: 28.1°   Direction: North-North-East

HR7628 is a double main-sequence star in the constellation of Cygnus.

HR7628 visual magnitude is 5.45. Because of its reltive faintness, HR7628 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR7628 is 0.008 arcsec per year in Right Ascension and 0.007 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR7628 star
DSS2 image of HR7628. The red arrow shows the motion of HR7628 during the next 100000 years (13.33 arcmin in Right Ascension and 11.67 arcmin in declination);

Key facts about HR7628


HR7628 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 7.6°
Azimuth: 28.1°
Direction: North-North-East

Celestial coordinates and finder chart of HR7628

HR7628 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR7628 are provided in the following table:

19h 57m 13s
+40° 22’ 05”

The simplified sky map below shows the position of HR7628 in the sky:

Finder chart HR7628 star
Simplified finder chart for HR7628.

Visibility of HR7628 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR7628 is circumpolar and transits at 09:26 UTC (altitude: 78.9°)

Distance of HR7628 from the Sun and relative movement

HR7628 is distant 1,530.52 light years from the Sun and it is moving towards the Sun at the speed of 26 kilometers per second.

469.48 pc
1,530.52 ly
-26 km/s
0.008 arcsec/year
0.007 arcsec/year

Spectral properties of HR7628

HR7628 belongs to spectral class B5 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR7628 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7628. Attribution: Richard Powell / CC BY-SA

HR7628 star system properties

HR7628 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR7628 double sysyem:

64.6 arcsec

Alternative designations of HR7628